Restore Your Grand Cherokee’s Performance and Reliability
Is your 2005 or 2006 Jeep Grand Cherokee acting up? If you’re dealing with frustrating issues like stalling, a persistent check engine light, or a complete no-start condition, a failing Engine Control Module (ECM) is often the culprit. Don’t let a faulty computer keep your capable SUV sidelined. This pre-programmed 2005-2006 Jeep Grand Cherokee ECM is the straightforward, reliable solution to get you back on the road with confidence.
Common Grand Cherokee ECM Failure Symptoms & Your Solution
A failing engine computer can create a cascade of confusing problems that can be difficult to diagnose. If you’re experiencing any of the following, this module is your definitive fix:
- No-Start or Hard Starting: The engine cranks but refuses to start, or only starts after many attempts.
- Engine Stalling: Your Grand Cherokee stalls unexpectedly while driving or when coming to a stop.
- Poor Fuel Economy & Performance: A noticeable drop in MPG, sluggish acceleration, or rough idling.
- Check Engine Light (CEL): The light stays on, often with communication error codes (like U0100) or sensor codes that don’t go away even after replacing the sensor.
- Erratic Transmission Shifting: The automatic transmission may shift harshly, get stuck in gear, or seem unpredictable.
This unit is a direct-fit solution, programmed specifically to your vehicle’s VIN and mileage, eliminating the guesswork and the need for expensive dealership programming.
Features & Benefits
- ✔ Plug & Play Installation: This unit arrives pre-programmed to your specific VIN. No extra trips to the dealer for flashing are required—simply install it and turn the key.
- ✔ Solves Complex Electrical Issues: Engineered to resolve the frustrating electrical gremlins and false sensor codes caused by a faulty original ECM.
- ✔ Guaranteed Compatibility: This is a direct replacement for part numbers 05094895AB, 05094898AA, 56044742AC, and more, ensuring a perfect fit for your 3.7L 4×4 model.
- ✔ Restores Peak Performance: Get back the smooth idle, crisp throttle response, and reliable operation you expect from your Jeep.
- ✔ Cost-Effective Repair: Avoid the high costs and complexities of a dealership repair with a solution designed for a straightforward installation.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
An Expert’s Note: The Diagnostic Dead End
“I once worked with a Grand Cherokee owner who was at his wit’s end. He had replaced the crankshaft sensor, camshaft sensor, and even the throttle body, but his Jeep still stalled intermittently. The codes were all over the place. The issue wasn’t the sensors themselves, but the computer reading them. The original ECM was failing internally, sending him on a costly parts-chasing journey. Installing a properly programmed 2005-2006 Jeep Grand Cherokee ECM was the final, simple fix that solved everything instantly. It’s a classic case of treating the disease, not just the symptoms.”
Stop throwing parts at the problem. This programmed 2005-2006 Jeep Grand Cherokee ECM is the core of your vehicle’s engine management system, and restoring it to proper function is the key to a lasting repair.
Frequently Asked Questions
Is this module truly “Plug & Play”?
Yes. We program the unit with the VIN and mileage you provide during checkout. When it arrives, you can install it directly into your vehicle without any need for additional programming or dealer intervention. The security information is transferred, so it will start and run correctly right away.
Where is the ECM located on my 2005-2006 Grand Cherokee?
On these models, the Electronic Control Module is typically located in the engine compartment, on the right-hand (passenger) side, towards the rear near the firewall.
Will this fit my Grand Cherokee if it has the 5.7L HEMI or 4.7L V8?
No. This specific module is only for the 2005-2006 Jeep Grand Cherokee models equipped with the 3.7L V6 engine and 4×4 drivetrain. Please verify your vehicle’s specifications before ordering.
How can I be sure my old ECM is the problem?
While the symptoms listed above are strong indicators, a definitive diagnosis is best. Common signs include multiple unrelated trouble codes, communication errors with scan tools, and sensor-related codes that persist after the sensor has been replaced. If your mechanic has diagnosed a faulty computer, this is the correct replacement part.
What information do you need from me to program it?
We require your vehicle’s 17-digit Vehicle Identification Number (VIN) and the current mileage. Please provide this information accurately during the checkout process to ensure perfect programming.
Do I need to return my old computer (core)?
No core return is required for this part. You can keep or responsibly dispose of your old module.